Editor: The Papers plug-in Software Development Kit is an opensource software package that helps you to Get started with programming your own Papers plug-ins. Finally, you can add the functionality to Papers that you have been waiting for so long. Generate plug-ins that are automatically downloaded from the internet and dynamically loaded, without restarting Papers. We invite everyone to download the SDK and contribute in improving Papers. You can Create your own importers and exporters and custom search engines. Make Papers even better!